Efficacy of antimicrobial agents incorporated in orthodontic bonding systems: a systematic review and meta-analysis.

Autor:	de Almeida CM; a School of Dentistry , Federal University of Pelotas , Pelotas , RS , Brazil., da Rosa WLO; a School of Dentistry , Federal University of Pelotas , Pelotas , RS , Brazil., Meereis CTW; a School of Dentistry , Federal University of Pelotas , Pelotas , RS , Brazil., de Almeida SM; a School of Dentistry , Federal University of Pelotas , Pelotas , RS , Brazil., Ribeiro JS; a School of Dentistry , Federal University of Pelotas , Pelotas , RS , Brazil., da Silva AF; a School of Dentistry , Federal University of Pelotas , Pelotas , RS , Brazil., Lund RG; a School of Dentistry , Federal University of Pelotas , Pelotas , RS , Brazil.; b Laboratory of Oral Microbiology, School of Dentistry , Federal University of Pelotas , Pelotas , RS , Brazil.
Jazyk:	angličtina
Zdroj:	Journal of orthodontics [J Orthod] 2018 Jun; Vol. 45 (2), pp. 79-93. Date of Electronic Publication: 2018 Mar 05.
DOI:	10.1080/14653125.2018.1443872
Abstrakt:	Aims: The purpose of this study was to evaluate the efficacy of orthodontic bonding systems containing different antimicrobial agents, as well as the influence of antimicrobial agent incorporation in the bonding properties of these materials. Methods: Eight databases were searched: PubMed (Medline), Web of Science, Scopus, Lilacs, Ibecs, BBO, Scielo and Google Scholar. Any study that evaluated antimicrobial activity in experimental or commercial orthodontic bonding systems was included. Data Extraction: Data were tabulated independently and in duplicated by two authors on pre-designed data collection form. Data Synthesis: The global analysis was carried out using a random-effects model, and pooled-effect estimates were obtained by comparing the standardised mean difference of each antimicrobial orthodontic adhesive with the respective control group. A p-value < .05 was considered as statistically significant. Results: Thirty-two studies were included in the qualitative analysis; of these, 22 studies were included in the meta-analysis. Antimicrobial agents such as silver nanoparticles, benzalkonium chloride, chlorhexidine, triclosan, cetylpyridinium chloride, Galla chinensis extract, acid ursolic, dimethylaminododecyl methacrylate, dimethylaminohexadecyl methacrylate, 2-methacryloyloxyethyl phosphorylcholine, 1,3,5-triacryloylhexahydro-1,3,5-triazine, zinc oxide and titanium oxide have been incorporated into orthodontic bonding systems. The antimicrobial agent incorporation in orthodontic bonding systems showed higher antimicrobial activity than the control group in agar diffusion (overall standardised mean difference: 3.71; 95% CI 2.98 to 4.43) and optical density tests (0.41; 95% CI -0.05 to 0.86) (p < .05). However, for biofilm, the materials did not present antimicrobial activity (6.78; 95% CI 4.78 to 8.77). Regarding bond strength, the global analysis showed antimicrobial orthodontic bonding systems were statistically similar to the control. Conclusions: Although there is evidence of antibacterial activity from in vitro studies, clinical and long-term studies are still necessary to confirm the effectiveness of antibacterial orthodontic bonding systems in preventing caries disease.
Databáze:	MEDLINE
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